Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MIL 1 203B03NSD25 found under Switch Rotary by Itt Industries Inc. The National Stock Number assigned to this part is 5930016418195, and the Federal Supply Class is 5930 Switches. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like MIL 1 203B03NSD25.